Connor Zilisch held off JR Motorsports teammate Shane van Gisbergen in the closing laps to win Saturday’s NASCAR Xfinity Series race at Sonoma Raceway for his fourth career victory. The two battled 1-2 for nearly the entire 79-lapper in Wine Country, the duo combining to lead all but nine laps and trading blows throughout the first two stages.

Connor Zilisch and Shane van Gisbergen. It’s a blossoming rivalry that will likely play out on the road courses for many years to come in the NASCAR Cup Series,